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CVE-2023-29545

Published: 19 June 2023

Similar to CVE-2023-28163, this time when choosing 'Save Link As', suggested filenames containing environment variable names would have resolved those in the context of the current user. *This bug only affects Firefox and Thunderbird on Windows. Other versions of Firefox and Thunderbird are unaffected.* This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and Thunderbird < 102.10.

Notes

AuthorNote
tyhicks
mozjs contains a copy of the SpiderMonkey JavaScript engine
mdeslaur
starting with Ubuntu 22.04, the firefox package is just a script
that installs the Firefox snap
rodrigo-zaiden
Windows issue only

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
firefox
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(Windows only)
focal Not vulnerable
(Windows only)
jammy Not vulnerable
(Windows only)
kinetic Not vulnerable
(Windows only)
lunar Not vulnerable
(Windows only)
mantic Not vulnerable
(Windows only)
trusty Ignored
(end of standard support)
upstream Not vulnerable
(debian: Only affects Firefox on Windows)
xenial Ignored
(end of standard support)
mozjs38
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mozjs52
Launchpad, Ubuntu, Debian
bionic Needs triage

focal Needs triage

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mozjs68
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mozjs78
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needs triage

kinetic Ignored
(end of life, was needs-triage)
lunar Ignored
(end of life, was needs-triage)
mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mozjs91
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Does not exist

jammy Needs triage

kinetic Does not exist

lunar Does not exist

mantic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

thunderbird
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(Windows only)
focal Not vulnerable
(Windows only)
jammy Not vulnerable
(Windows only)
kinetic Not vulnerable
(Windows only)
lunar Not vulnerable
(Windows only)
mantic Not vulnerable
(Windows only)
trusty Ignored
(end of standard support)
upstream Not vulnerable
(debian: Only affects Thunderbird on Windows)
xenial Ignored
(end of standard support)

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N